Overall Favorite
Dalton Plumbing, Heating, Cooling, Electric And Fireplaces, Inc.
Highest combined score on this list.
- Operating status checked
Waterloo · 2027 favorites
Waterloo's favorite hvac contractors
5 favorites from 6 Waterloo businesses, each labelled for what it does best.
- Updated
- How labels are set
The favorites
Start with these three
Labels aren't ranks: pick the one that fits your project.
Favorite
Petersen Hudson Hardware Plumbing & Heating
- Operating status checked
Favorite
Young Plumbing & Heating
- Operating status checked
More hvac contractors favorites in Waterloo
- Customer Favorite Bergen Plumbing, Heating & Cooling, Inc.★ 4.3 · 67 reviews · Waterloo
- Mike Fereday Heating & Air Conditioning★ 4.6 · 25 reviews · Waterloo
Also shortlisted
- Fereday Heating & Air Conditioning★ 4.5 · 13 reviews · Waterloo
Free quotes
Ask the favorites for a quote
Free, no account. Only the businesses you tick get your details.
Before you sign
Four things to check with any business
- Check the license with your state's licensing board.
- Get three itemised quotes so you compare like with like.
- Confirm who pulls the permit: it should be in the business's name.
- Tie payments to stages and get the warranty in writing.
Local facts
Waterloo, by the numbers
Official figures behind the list.
1,086
People per square mile
Calculated from U.S. Census Bureau 2025 estimates and Gazetteer land area · 2025
61.6 sq mi
Land area
66,919
Waterloo residents
U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · July 1, 2025
-0.6%
Population change since 2020 (from 67,307 (April 2020 base))
U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · 2020–2025
Questions
HVAC Contractors in Waterloo: common questions
How is the top 5 ranking of HVAC contractors in Waterloo calculated?
Each business gets a score from its rating, review volume, recent reviews, years in business, profile completeness and record checks. The highest scores make the list. We compared 6 HVAC contractors for Waterloo.
Which of these HVAC contractors in Waterloo has the best reviews?
Dalton Plumbing, Heating, Cooling, Electric And Fireplaces, Inc. has a 4.8 rating from 898 public reviews, the highest on this page.
Are these HVAC contractors licensed?
5 of the 5 businesses here had their state license checked against public records. Each profile shows the source and the date of the check.
How many quotes should I get for HVAC contractors in Waterloo?
Get at least three. Use the quote form on this page: only the businesses you tick receive your request.